package com.xlas.myjava;

import java.text.DecimalFormat;

public class MyClass {
    public static void main(String[] args) {
        double num=0;

//        DecimalFormat df1 = new DecimalFormat("0.0000000");
//        String str = df1.format(num);
        System.out.println(String.format("%.5f",num));  //13.15
    }
}
